package com.zzyl.serve.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.serve.domain.NursingLevel;
import com.zzyl.serve.domain.NursingPlan;
import com.zzyl.serve.mapper.NursingLevelMapper;
import com.zzyl.serve.service.INursingLevelService;
import com.zzyl.serve.service.INursingPlanService;
import com.zzyl.serve.vo.NursingLevelVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 护理等级Service业务层处理
 *
 * @author ruoyi
 * @date 2024-10-04
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService {
    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    //注入护理计划的业务层对象
    @Autowired
    private INursingPlanService nursingPlanService;

    //注入redisTemplate对象
    @Autowired
    private RedisTemplate redisTemplate;

    //缓存的key
    private static final String CACHE_KEY_PREFIX = "nursingLevel:all";

    /**
     * 查询护理等级
     *
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id) {
        return getById(id);
    }

    /**
     * 查询护理等级列表
     *
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevelVo> selectNursingLevelList(NursingLevel nursingLevel) {
        List<NursingLevel> nursingLevels = nursingLevelMapper.selectNursingLevelList(nursingLevel);
        List<NursingLevelVo> nursingLevelVos = nursingLevels.stream().map(level -> {
            NursingLevelVo nursingLevelVo = new NursingLevelVo();
            BeanUtils.copyProperties(level, nursingLevelVo);
            //查询与护理等级相关联的护理计划
            String planName = nursingPlanService.getOne(Wrappers.<NursingPlan>lambdaQuery()
                            .eq(NursingPlan::getId, level.getLplanId()))
                    .getPlanName();
            nursingLevelVo.setPlanName(planName);
            return nursingLevelVo;
        }).collect(Collectors.toList());//toList()是JDK17的方法
        return nursingLevelVos;
    }

    /**
     * 新增护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel) {
        boolean flag = save(nursingLevel);
        //删除缓存
        redisTemplate.delete(CACHE_KEY_PREFIX);
        return flag ? 1 : 0;
    }

    /**
     * 修改护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel) {
        boolean flag = updateById(nursingLevel);
        //删除缓存
        redisTemplate.delete(CACHE_KEY_PREFIX);
        return flag ? 1 : 0;
    }

    /**
     * 批量删除护理等级
     *
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids) {
        boolean flag = removeByIds(Arrays.asList(ids));
        //删除缓存
        redisTemplate.delete(CACHE_KEY_PREFIX);
        return flag ? 1 : 0;
    }

    /**
     * 删除护理等级信息
     *
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id) {
        boolean flag = removeById(id);
        //删除缓存
        redisTemplate.delete(CACHE_KEY_PREFIX);
        return flag ? 1 : 0;
    }

    @Override
    public List<NursingLevel> getAll() {
        //1. 在redis中查看缓存中是否有数据
        List<NursingLevel> nursingLevels = (List<NursingLevel>) redisTemplate.opsForValue().get(CACHE_KEY_PREFIX);
        if (nursingLevels != null) {//缓存中有数据
            return nursingLevels;
        }
        //2. 缓存中没有数据，则从数据库中查询
        nursingLevels = list(Wrappers.<NursingLevel>lambdaQuery()
                .eq(NursingLevel::getStatus, 1));
        //3. 将数据保存到缓存中
        redisTemplate.opsForValue().set(CACHE_KEY_PREFIX, nursingLevels);
        return nursingLevels;
    }
}
